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https://www.readbyqxmd.com/read/28429760/corrigendum-selective-targeting-of-hdac1-2-elicits-anticancer-effects-through-gli1-acetylation-in-preclinical-models-of-shh-medulloblastoma
#1
Sonia Coni, Anna Barbara Mancuso, Laura Di Magno, Giulia Sdruscia, Simona Manni, Silvia Maria Serrao, Dante Rotili, Eleonora Spiombi, Francesca Bufalieri, Marialaura Petroni, Monika Kusio-Kobialka, Enrico De Smaele, Elisabetta Ferretti, Carlo Capalbo, Antonello Mai, Pawel Niewiadomski, Isabella Screpanti, Lucia Di Marcotullio, Gianluca Canettieri
No abstract text is available yet for this article.
April 21, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28368412/noncanonical-gli1-signaling-promotes-stemness-features-and-in-vivo-growth-in-lung-adenocarcinoma
#2
A Po, M Silvano, E Miele, C Capalbo, A Eramo, V Salvati, M Todaro, Z M Besharat, G Catanzaro, D Cucchi, S Coni, L Di Marcotullio, G Canettieri, A Vacca, G Stassi, E De Smaele, M Tartaglia, I Screpanti, R De Maria, E Ferretti
Aberrant Hedgehog/GLI signaling has been implicated in a diverse spectrum of human cancers, but its role in lung adenocarcinoma (LAC) is still under debate. We show that the downstream effector of the Hedgehog pathway, GLI1, is expressed in 76% of LACs, but in roughly half of these tumors, the canonical pathway activator, Smoothened, is expressed at low levels, possibly owing to epigenetic silencing. In LAC cells including the cancer stem cell compartment, we show that GLI1 is activated noncanonically by MAPK/ERK signaling...
April 3, 2017: Oncogene
https://www.readbyqxmd.com/read/28350519/outcome-of-lower-risk-patients-with-myelodysplastic-syndromes-without-5q-deletion-after-failure-of-erythropoiesis-stimulating-agents
#3
Sophie Park, Jean-François Hamel, Andrea Toma, Charikleia Kelaidi, Sylvain Thépot, Maria Diez Campelo, Valeria Santini, Mikkael A Sekeres, Enrico Balleari, Jennifer Kaivers, Rosa Sapena, Katharina Götze, Catharina Müller-Thomas, Odile Beyne-Rauzy, Aspasia Stamatoullas, Ioannis Kotsianidis, Rami Komrokji, David P Steensma, Jaime Fensterl, Gail J Roboz, Teresa Bernal, Fernando Ramos, Marisa Calabuig, Agnès Guerci-Bresler, Dominique Bordessoule, Pascale Cony-Makhoul, Stéphane Cheze, Eric Wattel, Christian Rose, Norbert Vey, Daniela Gioia, Dario Ferrero, Gianluca Gaidano, Giovanni Cametti, Fabrizio Pane, Alessandro Sanna, Ulrich Germing, Guillermo F Sanz, François Dreyfus, Pierre Fenaux
Purpose Most anemic patients with non-deleted 5q lower-risk myelodysplastic syndromes (MDS) are treated with erythropoiesis-stimulating agents (ESAs), with a response rate of approximately 50%. Second-line treatments, including hypomethylating agents (HMAs), lenalidomide (LEN), and investigational drugs, may be used after ESA failure in some countries, but their effect on disease progression and overall survival (OS) is unknown. Here, we analyzed outcome after ESA failure and the effect of second-line treatments...
March 28, 2017: Journal of Clinical Oncology: Official Journal of the American Society of Clinical Oncology
https://www.readbyqxmd.com/read/28315969/time-takes-space-selective-effects-of-multitasking-on-concurrent-spatial-processing
#4
Timo Mäntylä, Valentina Coni, Veit Kubik, Ivo Todorov, Fabio Del Missier
Many everyday activities require coordination and monitoring of complex relations of future goals and deadlines. Cognitive offloading may provide an efficient strategy for reducing control demands by representing future goals and deadlines as a pattern of spatial relations. We tested the hypothesis that multiple-task monitoring involves time-to-space transformational processes, and that these spatial effects are selective with greater demands on coordinate (metric) than categorical (nonmetric) spatial relation processing...
March 18, 2017: Cognitive Processing
https://www.readbyqxmd.com/read/28276480/selective-targeting-of-hdac1-2-elicits-anticancer-effects-through-gli1-acetylation-in-preclinical-models-of-shh-medulloblastoma
#5
Sonia Coni, Anna Barbara Mancuso, Laura Di Magno, Giulia Sdruscia, Simona Manni, Silvia Maria Serrao, Dante Rotili, Eleonora Spiombi, Francesca Bufalieri, Marialaura Petroni, Monika Kusio-Kobialka, Enrico De Smaele, Elisabetta Ferretti, Carlo Capalbo, Antonello Mai, Pawel Niewiadomski, Isabella Screpanti, Lucia Di Marcotullio, Gianluca Canettieri
SHH Medulloblastoma (SHH-MB) is a pediatric brain tumor characterized by an inappropriate activation of the developmental Hedgehog (Hh) signaling. SHH-MB patients treated with the FDA-approved vismodegib, an Hh inhibitor that targets the transmembrane activator Smoothened (Smo), have shown the rapid development of drug resistance and tumor relapse due to novel Smo mutations. Moreover, a subset of patients did not respond to vismodegib because mutations were localized downstream of Smo. Thus, targeting downstream Hh components is now considered a preferable approach...
March 9, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28268748/electrosynthesis-of-magnetoresponsive-microrobot-for-targeted-drug-delivery-using-calcium-alginate
#6
Chengzhi Hu, Katharina Riederer, Michael Klemmer, Salvador Pane, Bradley J Nelson
Targeted drug delivery systems deliver drugs precisely to a specific targeted site inside the body, and can also release the drugs with controlled kinetics to prolong the efficacy of single dose administration. The advantageous properties of hydrogels make them attractive for use in the area of drug delivery. Calcium alginate is a pH sensitive hydrogel stable in acidic media and soluble in basic media. This enables the hydrogel to absorb and release aqueous solutions at certain ranges of pH values. By absorbing an aqueous solution containing a drug, an active drug release can be triggered at a specified range of pH value...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28226936/electrosynthesis-of-magnetoresponsive-microrobot-for-targeted-drug-delivery-using-calcium-alginate
#7
Chengzhi Hu, Katharina Riederer, Michael Klemmer, Salvador Pane, Bradley J Nelson, Chengzhi Hu, Katharina Riederer, Michael Klemmer, Salvador Pane, Bradley J Nelson, Salvador Pane, Katharina Riederer, Bradley J Nelson, Michael Klemmer, Chengzhi Hu
Targeted drug delivery systems deliver drugs precisely to a specific targeted site inside the body, and can also release the drugs with controlled kinetics to prolong the efficacy of single dose administration. The advantageous properties of hydrogels make them attractive for use in the area of drug delivery. Calcium alginate is a pH sensitive hydrogel stable in acidic media and soluble in basic media. This enables the hydrogel to absorb and release aqueous solutions at certain ranges of pH values. By absorbing an aqueous solution containing a drug, an active drug release can be triggered at a specified range of pH value...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28222576/may-a-unitary-autonomic-index-help-assess-autonomic-cardiac-regulation-in-elite-athletes-preliminary-observations-on-the-national-italian-olympic-committee-team
#8
Roberto Sala, Mara Malacarne, Fabio Tosi, Manuela Benzi, Nadia Solaro, Stefano Tamorri, Antonio Spataro, Massimo Pagani, Daniela Lucini
BACKGROUND: Long term endurance training, as occurring in elite athletes, is associated to cardiac neural remodeling in favor of cardioprotective vagal mechanisms, resulting in resting bradycardia and augmented contribution of cardiac parasympathetic nerve activity. Autonomic assessment can be performed by way of Heart Rate Variability. This technique however provides multiple indices, and there is not yet complete agreement on their specific significance. Purpose of the study was to assess whether a rank transformation and radar plot could provide a unitary autonomic index, capable to show a correlation between intensity of individual work and quality of autonomic regulation...
February 21, 2017: Journal of Sports Medicine and Physical Fitness
https://www.readbyqxmd.com/read/28199051/boosting-bifunctional-oxygen-electrolysis-for-n-doped-carbon-via-bimetal-addition
#9
Jian Wang, Francesco Ciucci
The addition of transition metals, even in a trace amount, into heteroatom-doped carbon (M-N/C) is intensively investigated to further enhance oxygen reduction reaction (ORR) activity. However, the influence of metal decoration on the electrolysis of the reverse reaction of ORR, that is, oxygen evolution reaction (OER), is seldom reported. Moreover, further improving the bifunctional activity and corrosion tolerance for carbon-based materials remains a big challenge, especially in OER potential regions. Here, bimetal-decorated, pyridinic N-dominated large-size carbon tubes (MM'-N/C) are proposed for the first time as highly efficient and durable ORR and OER catalysts...
February 15, 2017: Small
https://www.readbyqxmd.com/read/28172957/reduced-stress-granule-formation-and-cell-death-in-fibroblasts-with-the-a382t-mutation-of-tardbp-gene-evidence-for-loss-of-tdp-43-nuclear-function
#10
Sandro Orrù, Paola Coni, Andrea Floris, Roberto Littera, Carlo Carcassi, Valeria Sogos, Carla Brancia
No abstract text is available yet for this article.
October 15, 2016: Human Molecular Genetics
https://www.readbyqxmd.com/read/28026860/pioglitazone-together-with-imatinib-in-chronic-myeloid-leukemia-a-proof-of-concept-study
#11
Philippe Rousselot, Stéphane Prost, Joelle Guilhot, Lydia Roy, Gabriel Etienne, Laurence Legros, Aude Charbonnier, Valérie Coiteux, Pascale Cony-Makhoul, Francoise Huguet, Emilie Cayssials, Jean-Michel Cayuela, Francis Relouzat, Marc Delord, Heriberto Bruzzoni-Giovanelli, Laure Morisset, François-Xavier Mahon, François Guilhot, Philippe Leboulch
BACKGROUND: We recently reported that peroxisome proliferator-activated receptor γ agonists target chronic myeloid leukemia (CML) quiescent stem cells in vitro by decreasing transcription of STAT5. Here in the ACTIM phase 2 clinical trial, we asked whether pioglitazone add-on therapy to imatinib would impact CML residual disease, as assessed by BCR-ABL1 transcript quantification. METHODS: CML patients were eligible if treated with imatinib for at least 2 years at a stable daily dose, having yielded major molecular response (MMR) but not having achieved molecular response 4...
December 27, 2016: Cancer
https://www.readbyqxmd.com/read/28026124/cobalt-nickel-layered-double-hydroxides-modified-on-tio2-nanotube-arrays-for-highly-efficient-and-stable-pec-water-splitting
#12
Weijian Chen, Taotao Wang, Jiawei Xue, Shikuo Li, Zidan Wang, Song Sun
TiO2 -based photoanodes have attracted extensive attention worldwide for photoelectrochemical (PEC) water splitting, but these materials still suffer from poor electron-hole separation and low photoconversion efficiency. Here, the high PEC water splitting activity and long-term stability against photocorrosion of well-aligned hierarchical TiO2 @CoNi-layered double hydroxides nanotube arrays (TiO2 @CoNi-LDHs NTAs) are reported. The typical TiO2 @CoNi-LDHs NTAs exhibits enhancing photocurrent density of 4.4 mA cm(-2) at a potential of 1...
December 27, 2016: Small
https://www.readbyqxmd.com/read/27918124/hierarchical-coni-sulfide-nanosheet-arrays-derived-from-layered-double-hydroxides-toward-efficient-hydrazine-electrooxidation
#13
Lei Zhou, Mingfei Shao, Cong Zhang, Jingwen Zhao, Shan He, Deming Rao, Min Wei, David G Evans, Xue Duan
A hierarchical CoNi-sulfide nanosheet array is fabricated via an in situ reduction of CoNi-layered double hydroxide (LDH) nanosheets, then a vulcanization process. The material inherits the morphology of the LDH precursor, consisting of well-distributed CoNi-alloy@CoNi-sulfide nanoparticles with a core-shell structure, and demonstrates promising performance toward hydrazine electrooxidation.
December 5, 2016: Advanced Materials
https://www.readbyqxmd.com/read/27882467/are-there-keystone-mycorrhizal-fungi-associated-to-tropical-epiphytic-orchids
#14
Stefania Cevallos, Aminael Sánchez-Rodríguez, Cony Decock, Stéphane Declerck, Juan Pablo Suárez
In epiphytic orchids, distinctive groups of fungi are involved in the symbiotic association. However, little is known about the factors that determine the mycorrhizal community structure. Here, we analyzed the orchid mycorrhizal fungi communities associated with three sympatric Cymbidieae epiphytic tropical orchids (Cyrtochilum flexuosum, Cyrtochilum myanthum, and Maxillaria calantha) at two sites located within the mountain rainforest of southern Ecuador. To characterize these communities at each orchid population, the ITS2 region was analyzed by Illumina MiSeq technology...
April 2017: Mycorrhiza
https://www.readbyqxmd.com/read/27862438/effects-of-metal-blending-in-random-bimetallic-single-chain-magnets-synergetic-antagonistic-or-innocent
#15
Yan-Qin Wang, Qi Yue, En-Qing Gao
A family of isomorphous three-dimensional metal-organic frameworks based on bimetallic (FeCo, FeNi, and CoNi) chains with random metal sites have been prepared and magnetically characterized. The solid-solution-type bimetallic materials inherit intrachain ferromagnetic interactions and single-chain-magnet (SCM) behaviors from the homometallic parent materials. Interestingly, different composition dependence of magnetic behaviors has been found. The Fe(II)1-x Ni(II)x series (0≤x≤1) show an innocent composition dependence, where the blocking temperature of slow relaxation decreases monotonically as Fe(II) is replaced by less anisotropic Ni(II) ...
November 15, 2016: Chemistry: a European Journal
https://www.readbyqxmd.com/read/27823989/growth-and-magnetic-properties-of-vertically-aligned-epitaxial-coni-nanowires-in-sr-ba-tio3-with-diameters-in-the-1-8-6-nm-range
#16
V Schuler, J Milano, A Coati, A Vlad, M Sauvage-Simkin, Y Garreau, D Demaille, S Hidki, A Novikova, E Fonda, Y Zheng, F Vidal
The growth by pulsed laser deposition of fully epitaxial nanocomposites made of Co x Ni1-x nanowires (NW) vertically self-assembled in Sr0.5Ba0.5TiO3/SrTiO3(001) layers is reported. The diameter of the wires can be tuned in the 1.8-6 nm range. The composition of the wires can be controlled, with the growth sequence and the fcc crystallographic structure of the wires preserved for Co content up to 78%. The nanocomposite systems obtained display a uniaxial magnetic anisotropy with out-of-plane easy axis as shown through analysis of ferromagnetic resonance measurements...
November 8, 2016: Nanotechnology
https://www.readbyqxmd.com/read/27722536/fabrication-of-hierarchical-tio2-coated-co20ni80-particles-with-tunable-core-sizes-as-high-performance-wide-band-microwave-absorbers
#17
Chen Chen, Qinghe Liu, Han Bi, Wenbin You, Wen She, Renchao Che
Multifunctional composite microspheres with a Co20Ni80 core and anatase TiO2 shells (Co20Ni80@TiO2) are synthesized by combining a solvothermal reaction and a calcination process, and include a series of microspheres with different core sizes (100 nm, 500 nm and 1 μm). The mechanism of self-assembly of the primary particles has been effective in both the fabrication of the core and the process of coating. The obtained core-shell particles possess superior monodispersity, size uniformity, and tailored core sizes, and are characterized by scanning electron microscopy (SEM) and transmission electron microscopy (TEM)...
September 29, 2016: Physical Chemistry Chemical Physics: PCCP
https://www.readbyqxmd.com/read/27711440/multivalent-effect-of-glycopolypeptide-based-nanoparticles-for-galectin-binding
#18
Colin Bonduelle, Hugo Oliveira, Cony Gauche, Jin Huang, Andreas Heise, Sébastien Lecommandoux
Synthetic glycopolypeptides are versatile glycopolymers used to conceive bioinspired nanoassemblies. In this work, novel amphiphilic glycopolypeptides were designed to incorporate lactose or galactan in order to prepare polymeric nanoassemblies with sizes below 50 nm. The bioactivity of the two different outer surface sugar units was evaluated by defining glycan relative binding affinities to human galectins 1 and 3. A specific multivalent effect was found only for polymeric nanoparticles displaying galactan with a significant increase of the binding activity as compared to free glycan in solution...
September 13, 2016: Chemical Communications: Chem Comm
https://www.readbyqxmd.com/read/27554113/reduced-stress-granule-formation-and-cell-death-in-fibroblasts-with-the-a382t-mutation-of-tardbp-gene-evidence-for-loss-of-tdp-43-nuclear-function
#19
Sandro Orrù, Paola Coni, Andrea Floris, Roberto Littera, Carlo Carcassi, Valeria Sogos, Carla Brancia
TAR deoxyribonucleic acid-binding protein 43 (TDP-43) is a key protein in the pathogenesis of amyoptrophic lateral sclerosis (ALS) and frontotemporal lobar degeneration (FTLD). Recent studies suggest that mutations in the TDP-43 coding gene, TARDBP, as well as variations in TDP-43 protein expression levels may disrupt the dynamics of stress granules (SGs). However, it remains unclear whether the pathogenetic effect of the TDP-43 protein is exerted at the cytoplasmic level, through direct participation to SG composition, or at nuclear level, through control of proteins essential to SG assembly...
August 22, 2016: Human Molecular Genetics
https://www.readbyqxmd.com/read/27503302/spanish-semantic-feature-production-norms-for-400-concrete-concepts
#20
Jorge Vivas, Leticia Vivas, Ana Comesaña, Ana García Coni, Agostina Vorano
Semantic feature production norms provide many quantitative measures of different feature and concept variables that are necessary to solve some debates surrounding the nature of the organization, both normal and pathological, of semantic memory. Despite the current existence of norms for different languages, there are still no published norms in Spanish. This article presents a new set of norms collected from 810 participants for 400 living and nonliving concepts among Spanish speakers. These norms consist of empirical collections of features that participants used to describe the concepts...
August 8, 2016: Behavior Research Methods
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